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how to built a two tone siren ? Answered

i will have to built its circuit first and then how to implement it.

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sjoobbani

8 years ago

Do you want to build it all from scratch? if not, you can go to an electronics store (even redio shack) and get piezo beepers, buzzers, or sirens, and build a basic
piezo/switch/battery circuit.

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Kiteman

9 years ago

Take a large cardboard box, and put a small child in it. Tell the child that the box is a fire engine. Record the sound made by the child.

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frollard

9 years ago

Do you want a wailing siren that bends pitch back and forth between the two, or a pee-paw siren like in UK, where it just goes between the two sound... or both sounds mixed together?